Talk:Infinite dihedral group

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 * Aliasing-folding.svg

Mistake?
In the first sentence of the 'Definition' section, the article says: "Every dihedral group is generated by a rotation r and a reflection; if the rotation is a rational multiple of a full rotation, then there is some integer n such that rn is the identity, and we have a finite dihedral group of order 2n." Should it not say "there is some *least* integer n"?